San Francisco to Seoul Time Converter
Seoul is 17 hours ahead of San Francisco right now. 9:00 AM in San Francisco is 2:00 AM in Seoul (next day).
Time now: San Francisco and Seoul
Seoul is 17 hours ahead of San Francisco right now. The gap is not fixed: it is 16 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
San Francisco and Seoul are about 9,029 km (5,610 miles) apart in a straight line. Right now San Francisco is on PST (UTC-08:00) and Seoul is on KST (UTC+09:00).
San Francisco to Seoul conversion table
Every hour of the day, using today's time difference.
| San Francisco | Seoul |
|---|---|
| 12:00 AM | 5:00 PM |
| 1:00 AM | 6:00 PM |
| 2:00 AM | 7:00 PM |
| 3:00 AM | 8:00 PM |
| 4:00 AM | 9:00 PM |
| 5:00 AM | 10:00 PM |
| 6:00 AM | 11:00 PM |
| 7:00 AM | 12:00 AMnext day |
| 8:00 AM | 1:00 AMnext day |
| 9:00 AM | 2:00 AMnext day |
| 10:00 AM | 3:00 AMnext day |
| 11:00 AM | 4:00 AMnext day |
| 12:00 PM | 5:00 AMnext day |
| 1:00 PM | 6:00 AMnext day |
| 2:00 PM | 7:00 AMnext day |
| 3:00 PM | 8:00 AMnext day |
| 4:00 PM | 9:00 AMnext day |
| 5:00 PM | 10:00 AMnext day |
| 6:00 PM | 11:00 AMnext day |
| 7:00 PM | 12:00 PMnext day |
| 8:00 PM | 1:00 PMnext day |
| 9:00 PM | 2:00 PMnext day |
| 10:00 PM | 3:00 PMnext day |
| 11:00 PM | 4:00 PMnext day |
Best time to meet between San Francisco and Seoul
Working hours overlap (9 AM – 6 PM in both places):
- 4:00 PM – 6:00 PM San Francisco = 9:00 AM – 11:00 AM Seoul
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between San Francisco and Seoul change?
Yes. Right now Seoul is 17 hours ahead of San Francisco. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: San Francisco moves its clocks forward. Seoul is 16 hours ahead of San Francisco from then (it was 17 hours before).
- Sunday, 7 November 2027: San Francisco moves its clocks back. Seoul is 17 hours ahead of San Francisco from then (it was 16 hours before).
Office hours in each other's time
- 9 AM to 6 PM in San Francisco is 2:00 AM (next day) to 11:00 AM (next day) in Seoul.
- 9 AM to 6 PM in Seoul is 4:00 PM (previous day) to 1:00 AM in San Francisco.
Based on today's clock settings.
Frequently asked questions
What is the time difference between San Francisco and Seoul?
Seoul is 17 hours ahead of San Francisco right now. The gap is not fixed: it is 16 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert San Francisco to Seoul?
Add 17 hours to the San Francisco time to get the Seoul time (at today's difference). 9:00 AM in San Francisco is 2:00 AM in Seoul (next day). Or use the converter above and pick any date and time.
What is the current time in Seoul?
It is 8:24 AM in Seoul on Tuesday, November 10 (the converter above shows it live). At the same moment it is 3:24 PM in San Francisco.
Does the time difference between San Francisco and Seoul change during the year?
Yes. Right now Seoul is 17 hours ahead of San Francisco. Over the next 12 months the gap changes 2 times: Sunday, 14 March 2027: San Francisco moves its clocks forward. Seoul is 16 hours ahead of San Francisco from then (it was 17 hours before). Sunday, 7 November 2027: San Francisco moves its clocks back. Seoul is 17 hours ahead of San Francisco from then (it was 16 hours before).
What is the best time for a meeting between San Francisco and Seoul?
Between 9 AM and 6 PM in both places you can meet at 4:00 PM – 6:00 PM San Francisco = 9:00 AM – 11:00 AM Seoul. Check the overlap section on this page for every option.